Home / 624,644,917.90-862,010,068.44-346,204,417.66

Finding the Fourth Proportional to 624,644,917.90, 862,010,068.44 and 346,204,417.66

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Solution

The fourth proportional to 624,644,917.90, 862,010,068.44 and 346,204,417.66 is: 477,762,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,644,917.90 : 862,010,068.44 = 346,204,417.66 : x
  2. Step 2: Convert to fraction form
    624,644,917.90/862,010,068.44 = 346,204,417.66/x
  3. Step 3: Cross multiply
    624,644,917.90x = 862,010,068.44 × 346,204,417.66
  4. Step 4: Simplify right side
    624,644,917.90x = 298,431,693,761,326,976
  5. Step 5: Solve for x
    x = 298,431,693,761,326,976/624,644,917.90
  6. Step 6: Final answer
    x = 477,762,141.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.